All-solid waste-based carbonated unburned lightweight aggregate and preparation method thereof
US-12528750-B2 · Jan 20, 2026 · US
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Waste from the purification of bauxite, e.g. red mud
Waste from the purification of bauxite, e.g. red mud · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B18/0409 |
| Official title | {Waste from the purification of bauxite, e.g. red mud} |
| Display label | Waste from the purification of bauxite, e.g. red mud |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Alkali-activated cement composition
US-12448333-B2 · Oct 21, 2025 · US
Early-strength and quick-setting ultra-high performance concrete (uhpc), and preparation method and use thereof
US-2025051235-A1 · Feb 13, 2025 · US
Alkali-activated cement composition
US-2025042816-A1 · Feb 6, 2025 · US
Red mud utilization method based on co-processing of industrial exhaust gas, sewage treatment and environment-friendly and high performance civil functional material
US-12172929-B2 · Dec 24, 2024 · US
Non-sintered high-strength lightweight aggregate one-shot prepared from sulfur-based and alkaline-based solid wastes by stirring, granulation, foaming, preparation method therefor and use thereof
US-12116313-B1 · Oct 15, 2024 · US
All-solid waste-based carbonated unburned lightweight aggregate and preparation method thereof
US-2024246870-A1 · Jul 25, 2024 · US
Red mud utilization method based on co-processing of industrial exhaust gas, sewage treatment and environment-friendly and high performance civil functional material
US-2022306536-A1 · Sep 29, 2022 · US
Asphalt modified with red mud for porous pavement material and application thereof
US-11370707-B1 · Jun 28, 2022 · US
Non-fired monoliths
US-11111179-B2 · Sep 7, 2021 · US
Non-fired monoliths
US-2021198144-A1 · Jul 1, 2021 · US
Well cementation working solution prepared from red mud, slag and waste drilling fluids
US-10975284-B2 · Apr 13, 2021 · US
Method for synergistic stabilization/solidification of red mud and phosphogypsum
US-2020231504-A1 · Jul 23, 2020 · US
Lost circulation materials comprising red mud
US-10633940-B2 · Apr 28, 2020 · US
Well cementation working solution prepared from red mud, slag and waste drilling fluids
US-2020071594-A1 · Mar 5, 2020 · US
Method of producing geopolymer cement utilizing desulfurized red mud
US-10407343-B2 · Sep 10, 2019 · US
Method of producing geopolymer cement utilizing desulfurized red mud
US-2018346380-A1 · Dec 6, 2018 · US
Methods of using lost circulation treatment materials comprising brown mud
US-10125299-B2 · Nov 13, 2018 · US
Extended-life cement compositions comprising red mud solids
US-10087359-B2 · Oct 2, 2018 · US
Lost Circulation Materials Comprising Brown Mud
US-2017369758-A1 · Dec 28, 2017 · US